Love the idea of mixing RTS and Tower Defence, even if the economy isn't perfect because of that. Some good design and I liked the idea of this being based based on a farm and its just being a usual day.
Main issue was the shop menu, it was kind of uncertain how it worked at first, the dialogue boxes right at the start did not help but I got the hang of it after two waves. Wouldn't mind seeing the game be expanded upon, would love to see more unit variety, etc.